/*
 * Copyright (c) 2010-2011 Plugger Antonio Begue Ponce. All Rights Reserved.
 *
 * This file is part of Plugger Framework.
 *
 *  Plugger Framework is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License version 3 as published by
 *  the Free Software Foundation.
 *
 *  Plugger Framework is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with Plugger Framework.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.plugger.infrastructure.rules;

/**
 * Definition of an entity's rule.<BR/>
 * A rule encapsulate a validation.
 *
 * @author Antonio Begue
 * @version $Revision: 1.0 $
 */
public interface IRule {
    /**
     * The RuleId represents an specific rule.
     *
     * @return A string representing the specific rule.
     */
    String getRuleId();

    /**
     * Represent the actual value of the rule.
     * @return false if the rule is broken.
     */
    boolean isValid();

    /**
     * Return the broken rule error message.
     * @return
     */
    String getErrorMessage();
}
